[PATCH] x86, hpet: fix memleak when hpet enable fail

[Yijing Wang]

We should free hpet_boot_cfg if hpet enable fail.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
---
 arch/x86/kernel/hpet.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index da85a8e..0ed00cc 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -900,6 +900,7 @@ int __init hpet_enable(void)
 	return 0;
 
 out_nohpet:
+	kfree(hpet_boot_cfg);
 	hpet_clear_mapping();
 	hpet_address = 0;
 	return 0;
-- 
1.7.1


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